果园施用农药,既可防除病、虫、草害,又能促进果树的生长发育,提高果品产量和品质。但由于农药直接或间接地作用于果树的各个部位,对果树本身也会有一定的影响,有时会产生药害,使果品产量降低,品质变劣。药害的存在与发生在一定程度上威胁着果品生产的发展,应引起我们的重视。现对果园药害从类型、症状、产生原因、防治和预防几个方面作以论述,以供果园用药参考。 Orchard pesticides, can prevent diseases, insects, grass damage, but also promote the growth and development of fruit trees and improve fruit yield and quality. However, the direct or indirect effects of pesticides on various parts of the fruit tree will also have some impact on the fruit tree itself, sometimes resulting in phytotoxicity, reducing fruit yield and deteriorating quality. The existence and occurrence of phytotoxicity threaten the development of fruit production to a certain extent, which should arouse our attention. Now the orchard injury from the type, symptoms, causes, prevention and prevention of several aspects to be discussed for reference orchard medication.